init study Qt

qperson.cpp

@@ -0,0 +1,23 @@
+#include "qperson.h"
+
+QPerson::QPerson(QString fName, QObject *parent) : QObject(parent), m_name(fName)
+{
+
+}
+
+int QPerson::age()
+{
+    return m_age;
+}
+
+void QPerson::setAge(int val)
+{
+    m_age = val;
+    emit ageChanged(m_age);
+}
+
+void QPerson::incAge()
+{
+    m_age++;
+    emit ageChanged(m_age);
+}